For this case we have the following system of equations:

To solve, we clear "x" from the second equation:

We substitute "x" in the first equation:

We clear the value of the variable "y":

We look for the value of the variable "x":

Thus, the solution of the system is given by:

Answer:

Option D
Gotta add a picture to show us what you want us to do.
12.5% because u just divide 50 by 4
Answer:
The answer is option B.
Step-by-step explanation:

Hope this helps you
multiply 6 x 6 to get 36 and 7 x 11 to get 77.
6/7 x 6/11 = 36/77